Maybe the fear is that we are less than we think we are, when the actuality of it is that we are much much more.
Jon Kabat-ZinnConcentration is a cornerstone of mindfulness practice. Your mindfulness will only be as robust as the capacity of your mind to be calm and stable. Without calmness, the mirror of mindfulness will have an agitated and choppy surface and will not be able to reflect things with any accuracy.
Jon Kabat-Zinn